<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    #d1{
      width: 200px;
      height: 100px;
      background-color: pink;
      position: absolute;
      z-index: 2;
    }
    #d2{
      width: 100px;
      height: 200px;
      background-color: #62B5EC;
      position: absolute;
      z-index: 1;
    }
  </style>
</head>
<body>
    <div id="d1"></div>
    <div id="d2"></div>
</body>
</html>